Re: [U-Boot] [PATCH 3/3] M28: Disable USB power on boot

23 May 2012

      Dear Fabio Estevam,
...
On Tue, May 22, 2012 at 8:32 PM, Marek Vasut marex@denx.de wrote:
...
void board_init_ll(void)
 {

  /* Powerdown the USB */

  mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT);

  mxs_iomux_setup_pad(MX28_PAD_AUART3_TX__GPIO_3_13 |

                  MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP);

  gpio_direction_output(MX28_PAD_AUART3_TX__GPIO_3_13, 1);

I don't have access to the m28evk schematics, but please double check
if you really need to set this pin to '1' to powerdown the USB, or if
this should be a '0' instead.
This is correct, it should be inverted.
Best regards,
Marek Vasut